# Kelp定因，Aave坏账最高$3.4亿

Arbitrum pulled off a stunt: 9 people pretended to be hackers and “stole” $70 million back
$BTC ‌
Last week, KelpDAO was stolen by the North Korean hacker group Lazarus Group. Nearly $300 million was taken; more than 30,000 ETH were left on the Arbitrum chain, worth more than $70 million. Everyone thought the money was gone for good.
$ETH ‌
In the end, the Arbitrum Security Council stepped in. The 9 people signed a multi-signature, temporarily upgraded the cross-chain bridge contract, and added a “divine” feature: transactions can be initiated in the name of any wallet, without needi